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| author | Bernd Schmidt <bernds@codesourcery.com> | 2011-09-27 17:23:27 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2011-09-27 17:23:27 +0000 |
| commit | a744996112debc8f21fc2770dfb001059e01d2e1 (patch) | |
| tree | 0e9492fa9f4499ac207075f8804fec032fc0aae2 /gcc | |
| parent | 58ac64596ae0fecfe67e0bb27688eb3cddc67bde (diff) | |
| download | gcc-a744996112debc8f21fc2770dfb001059e01d2e1.zip gcc-a744996112debc8f21fc2770dfb001059e01d2e1.tar.gz gcc-a744996112debc8f21fc2770dfb001059e01d2e1.tar.bz2 | |
mips.c (mips_add_cfa_restore): New function.
gcc/
2011-09-25 Bernd Schmidt <bernds@codesourcery.com>
Richard Sandiford <rdsandiford@googlemail.com>
* config/mips/mips.c (mips_add_cfa_restore): New function.
(mips16e_save_restore_reg): Use it.
(mips_restore_reg): Likewise. Split double FPRs for
REG_CFA_RESTORE notes.
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>
From-SVN: r179286
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 20 |
2 files changed, 24 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5858138..d05ebc6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2011-09-27 Bernd Schmidt <bernds@codesourcery.com> + Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_add_cfa_restore): New function. + (mips16e_save_restore_reg): Use it. + (mips_restore_reg): Likewise. Split double FPRs for + REG_CFA_RESTORE notes. + 2011-09-27 Richard Sandiford <rdsandiford@googlemail.com> PR middle-end/50386 diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 22cb60b..d0b6b4c 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -8202,6 +8202,15 @@ mips_frame_set (rtx mem, rtx reg) return set; } + +/* Record that the epilogue has restored call-saved register REG. */ + +static void +mips_add_cfa_restore (rtx reg) +{ + mips_epilogue.cfa_restores = alloc_reg_note (REG_CFA_RESTORE, reg, + mips_epilogue.cfa_restores); +} /* If a MIPS16e SAVE or RESTORE instruction saves or restores register mips16e_s2_s8_regs[X], it must also save the registers in indexes @@ -8393,8 +8402,7 @@ mips16e_save_restore_reg (bool restore_p, bool reg_parm_p, reg = gen_rtx_REG (SImode, regno); if (restore_p) { - mips_epilogue.cfa_restores = alloc_reg_note (REG_CFA_RESTORE, reg, - mips_epilogue.cfa_restores); + mips_add_cfa_restore (reg); return gen_rtx_SET (VOIDmode, reg, mem); } if (reg_parm_p) @@ -10290,9 +10298,13 @@ mips_restore_reg (rtx reg, rtx mem) $7 instead and adjust the return insn appropriately. */ if (TARGET_MIPS16 && REGNO (reg) == RETURN_ADDR_REGNUM) reg = gen_rtx_REG (GET_MODE (reg), GP_REG_FIRST + 7); + else if (GET_MODE (reg) == DFmode && !TARGET_FLOAT64) + { + mips_add_cfa_restore (mips_subword (reg, true)); + mips_add_cfa_restore (mips_subword (reg, false)); + } else - mips_epilogue.cfa_restores = alloc_reg_note (REG_CFA_RESTORE, reg, - mips_epilogue.cfa_restores); + mips_add_cfa_restore (reg); mips_emit_save_slot_move (reg, mem, MIPS_EPILOGUE_TEMP (GET_MODE (reg))); if (REGNO (reg) == REGNO (mips_epilogue.cfa_reg)) |